Python has both a math library and a cmath library. How are they related?

When reading Comma Separated Value formatted files, the csv module is frequently used. In which mode must files be opened for use with the csv module?

Which is not a Python standard library module for processing arguments to a program?

Which option creates a list of key value tuples from a dictionary sorted by value? d = {'a':1, 'b':2, 'c':3}

Which will produce the same output?

At minimum, what must a metaclass be?

Which statement is incorrect regarding Concurrency in Python?

Considering this Python 2.x snippet, while(True): try: doWork() except TypeError: print 'Type error' except Exception: print 'General exception' except GeneratorExit, KeyboardInterrupt: print 'Existing exception' which of the following is correct to say?

Which is true regarding urlopen function from the standard module urllib in Python 2?

Which statement is incorrect regarding Python language?

Which is false regarding urlretrieve function from the standard module urllib in Python 2?